ClinVar Miner

Submissions for variant NM_001378969.1(KCND3):c.1339A>G (p.Asn447Asp)

dbSNP: rs1571626928
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000821670 SCV000962439 uncertain significance Spinocerebellar ataxia type 19/22 2018-07-10 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals with KCND3-related disease. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant is not present in population databases (ExAC no frequency). This sequence change replaces asparagine with aspartic acid at codon 447 of the KCND3 protein (p.Asn447Asp). The asparagine residue is moderately conserved and there is a small physicochemical difference between asparagine and aspartic acid.

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